The marketplace of ideas is a better metaphor than it's intended to be, notes Eli Pariser. As any good economist will tell you, the best product doesn't always rise to the top.

The institutional gatekeepers and experts who once kept checks and balances on the marketplace of ideas have been replaced by social media algorithms that reward emotion and outrage over expertise and truth.

How can media institutions like Facebook make this right? By reevaluating the business model that serves advertisers instead of readers, and by clearly stating their values—even if that means losing some of those 2 billion users.

The Charles Koch Foundation is committed to understanding what drives intolerance and the best ways to cure it. The foundation supports interdisciplinary research to overcome intolerance, new models for peaceful interactions, and experiments that can heal fractured communities. For more information, visit charleskochfoundation.org/courageous-collaborations. The opinions expressed in this video do not necessarily reflect the views of the Charles Koch Foundation, which encourages the expression of diverse viewpoints within a culture of civil discourse and mutual respect.

Eli Pariser

Eli Pariser has dedicated his career to figuring out how technology can elevate important topics in the world. He is the co-founder of Upworthy and bestselling author of The Filter Bubble: What the Internet Is Hiding from You.